EP2803670A1 - Ligandenverbindung, chromverbindung und katalysatorsystem damit - Google Patents

Ligandenverbindung, chromverbindung und katalysatorsystem damit Download PDF

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Publication number
EP2803670A1
EP2803670A1 EP13787892.2A EP13787892A EP2803670A1 EP 2803670 A1 EP2803670 A1 EP 2803670A1 EP 13787892 A EP13787892 A EP 13787892A EP 2803670 A1 EP2803670 A1 EP 2803670A1
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group
carbon atoms
chromium
catalyst system
chemical formula
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French (fr)
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EP2803670A4 (de
EP2803670B1 (de
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Heon-Yong Kwon
Yong-Ho Lee
Kyoung-Chan Lim
Ki-Soo Lee
Min-Seok Cho
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LG Chem Ltd
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LG Chem Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/75—Cobalt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/20—Purification, separation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/52—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides selected from boron, aluminium, gallium, indium, thallium or rare earths
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/72—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44
    • C08F4/74—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44 selected from refractory metals
    • C08F4/78—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44 selected from refractory metals selected from chromium, molybdenum or tungsten

Definitions

  • the present invention relates to a ligand compound, a chromium compound, and a catalyst system including the same. More particularly, the present invention relates to a novel ligand compound, chromium compound, and catalyst system including the same which exhibit high activity for ethylene oligomerization reaction.
  • Linear alpha-olefin is widely used in important commercial substances such as comonomers, detergents, lubricants, plasticizers or the like, and in particular, 1-hexene and 1-octene are commonly used as comonomers for controlling density of polyethylene during preparation of linear low density polyethylene (LLDPE).
  • LLDPE linear low density polyethylene
  • LLDPE Linear Low-Density Polyethylene
  • the conventional commercial method for 1-hexene or 1-octene preparation is the SHOP process of Shell Chemical, the Ziegler Process of Chevron Philips, or the like, which is used to produce alpha-olefins having a wide distribution range from C4 ⁇ C20 carbons.
  • an object of the present invention is to provide a novel ligand compound and chromium compound which maintain high activity and thus are used in ethylene oligomerization reaction so as to prepare low-density polyethylene in one reactor using a small amount of comonomers or using only ethylene without comonomers.
  • Another object of the present invention is to provide a catalyst system including the ligand compound or the chromium compound.
  • the present invention provides a ligand compound represented by the following Chemical Formula 1. wherein R 1 , R 2 , R 2 ' and R 3 are the same as or different from each other, and each independently a hydrogen atom, a hydrocarbyl group having 1 to 30 carbon atoms, or a heterohydrocarbyl group having 1 to 30 carbon atoms.
  • the present invention provides a chromium compound represented by the following Chemical Formula 2.
  • R 1 , R 2 , R 2 ' and R 3 are the same as or different from each other, and each independently a hydrogen atom, a hydrocarbyl group having 1 to 30 carbon atoms, or a heterohydrocarbyl group having 1 to 30 carbon atoms, and X is a halogen atom or an alkyl group having 1 to 6 carbon atoms.
  • the present invention provides a catalyst system including i) the ligand compound represented by Chemical Formula 1 and a chromium source, or ii) the chromium compound represented by Chemical Formula 2; and a cocatalyst.
  • the catalyst system including the ligand compound or the chromium compound according to the present invention can be used in ethylene oligomerization to oligomerize ethylene with a high catalytic activity, compared to the known catalyst system. That is, when a polyolefin is polymerized using the catalyst system according to the present invention, highly active ethylene oligomerization reaction is possible, and therefore, it is possible to polymerize a low-density polyethylene in one reactor using only ethylene without injection of additional comonomers.
  • FIG. 1 is a graph showing the result of GC-MS of the products resulting from ethylene oligomerization reaction according to Example 4 of the present invention.
  • the ligand compound of the present invention may be represented by the following Chemical Formula 1. wherein R 1 , R 2 , R 2 ' and R 3 are the same as or different from each other, and each independently a hydrogen atom, a hydrocarbyl group having 1 to 30 carbon atoms, or a heterohydrocarbyl group having 1 to 30 carbon atoms.
  • the hydrocarbyl group means a monovalent hydrocarbon group
  • the heterohydrocarbyl group means a monovalent heterohydrocarbon group containing carbon atom and one or more heteroatoms.
  • R 1 , R 2 , R 2 ' and R 3 are each independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an aryl group having 6 to 14 carbon atoms, an alkylaryl group having 7 to 12 carbon atoms, an arylalkyl group having 7 to 12 carbon atoms or an alkoxyaryl group having 7 to 12 carbon atoms, but are not limited thereto.
  • R 1 , R 2 , R 2 ' and R 3 are each independently a hydrogen atom, a linear alkyl group having 1 to 20 carbon atoms, an isopropyl group, a tert-butyl group, an amyl group, a phenyl group, an alkylphenyl group having 7 to 12 carbon atoms or an alkoxyphenyl group having 7 to 12 carbon atoms, but are not limited thereto.
  • the compound represented by Chemical Formula 1 may be selected from the following chemical structures, but the present invention is not limited thereto.
  • the compound represented by Chemical Formula 1 can be synthesized by the following method, but is not limited thereto.
  • the preparation method of the ligand compound represented by Chemical Formula 1 will be described in detail in the following Examples.
  • the ligand compound represented by Chemical Formula 1 may further include the chromium source and the cocatalyst to be used in ethylene oligomerization reaction.
  • ethylene oligomerization reaction because highly active ethylene oligomerization reaction is possible, low-density polyethylene can be prepared in one reactor using a small amount of comonomers or using only ethylene without comonomers.
  • the chromium compound of the present invention may be represented by the following Chemical Formula 2. wherein R 1 , R 2 , R 2 ' and R 3 are the same as or different from each other, and each independently a hydrogen atom, a hydrocarbyl group having 1 to 30 carbon atoms, or a heterohydrocarbyl group having 1 to 30 carbon atoms, and X is a halogen atom or an alkyl group having 1 to 6 carbon atoms.
  • R 1 , R 2 , R 2 ', and R 3 are the same as in the descriptions of the ligand compound of Chemical Formula 1.
  • X is a halogen atom or an alkyl group having 1 to 6 carbon atoms, and specific examples thereof may include methyl, ethyl, propyl, isopropyl, t-butyl, isobutyl or the like, but are not limited thereto.
  • X is preferably Cl or a methyl group, and more preferably Cl.
  • the chromium compound represented by Chemical Formula 2 may be selected from the following chemical structures, but the present invention is not limited thereto.
  • the chromium compound represented by Chemical Formula 2 can be synthesized by the following method, but is not limited thereto. The preparation method of the chromium compound represented by Chemical Formula 2 will be described in detail in the following Examples.
  • the chromium compound represented by Chemical Formula 2 may be used singly or as the catalyst system including the cocatalyst.
  • highly active ethylene oligomerization reaction is possible, low-density polyethylene can be prepared in one reactor using a small amount of comonomers or using only ethylene without comonomers.
  • the catalyst system of the present invention includes i) a ligand compound represented by the following Chemical Formula 1 and a chromium source, or ii) a chromium compound represented by the following Chemical Formula 2; and a cocatalyst.
  • R 1 , R 2 , R 2 ' and R 3 are the same as or different from each other, and each independently a hydrogen atom, a hydrocarbyl group having 1 to 30 carbon atoms, or a heterohydrocarbyl group having 1 to 30 carbon atoms
  • X is a halogen atom or an alkyl group having 1 to 6 carbon atoms.
  • R 1 , R 2 , R 2 ', R 3 and X of Chemical Formulae 1 and 2 are the same as in the descriptions of the ligand compound and the chromium compound of the present invention.
  • the catalyst system can be used in polymerization reaction of polyolefin, in particular, polyethylene, including ethylene oligomerization reaction.
  • the term "catalyst system” means an active catalytic composition that can be obtained by adding three components of the chromium source, the ligand compound and the cocatalyst or alternatively two components of the chromium compound and the cocatalyst at the same time, or sequentially in any order in the presence or absence of any proper solvent in the presence or absence of monomers.
  • the three components or two components of the catalyst system can be used without being supported on a support, or if necessary, they can be supported on the support to be used. That is, the catalyst system according to the present invention includes the ligand compound represented by Chemical Formula 1 and the chromium source, or the chromium compound represented by Chemical Formula 2 and the cocatalyst.
  • the chromium source may be chromium or a chromium precursor.
  • the chromium or chromium precursor may include chromium(III)acetylacetonoate, tris(tetrahydrofuran)chromium trichloride or chromium(III)-2-ethylhexanoate, but the present invention is not limited thereto.
  • the cocatalyst may be an organic metal compound containing the Group 13 metal.
  • the organic metal compound containing the Group 13 metal is not particularly limited, as long as it can be generally used in olefin polymerization in the presence of a catalyst of a transition metal compound.
  • the cocatalyst may be one or more selected from the group consisting of the compounds represented by the following Chemical Formulae 3 to 5, but the present invention is not limited thereto.
  • Examples of the compound represented by Chemical Formula 3 may include methylaluminoxane (MAO), ethyl aluminoxane, isobutyl aluminoxane, butyl aluminoxane or the like.
  • MAO methylaluminoxane
  • ethyl aluminoxane isobutyl aluminoxane
  • butyl aluminoxane or the like.
  • Examples of the alkyl metal compound represented by Chemical Formula 4 may include trimethylaluminium, triethylaluminium, triisobutylaluminium, tripropylaluminium, tributylaluminium, dimethylchloroaluminium, dimethylisobutylaluminium, dimethylethylaluminium, diethylchloroaluminium, triisopropylaluminium, tri-s-butylaluminium, tricyclopentylaluminium, tripentylaluminium, triisopentylaluminium, trihexylaluminium, ethyldimethylaluminium, methyldiethylaluminium, triphenylaluminium, tri-p-tolylaluminium, dimethylaluminiummethoxide, dimethylaluminiumethoxide, trimethylboron, triethylboron, triisobutylboron, tripropylboron, tribu
  • Examples of the compound represented by Chemical Formula 5 may include triethylammoniumtetraphenylboron, tributylammoniumtetraphenylboron, trimethylammoniumtetraphenylboron, tripropylammoniumtetraphenylboron, trimethylammoniumtetra(p-tolyl)boron, tripropylammoniumtetra(p-tolyl)boron, triethylammoniumtetra(o,p-dimethylphenyl)boron, trimethylammoniumtetra(o,p-dimethylphenyl)boron, tributylammoniumtetra(p-trifluoromethylphenyl)boron, trimethylammoniumtetra(p-trifluoromethylphenyl)boron, tributylainmoniumtetrapentafluorophenylboron, N,N-diethylaniliniumtetraphenyl boron,
  • the cocatalyst may be alumoxane, and preferably, methyl alumoxane (MAO) as alumoxane.
  • MAO methyl alumoxane
  • the catalyst system may include the ligand compound represented by Chemical Formula 1, the chromium source and the cocatalyst.
  • a molar ratio of ligand compound: chromium source: cocatalyst may be approximately 1:1:1 to approximately 10:1:10,000, and preferably, approximately 1:1:100 to approximately 5:1:3,000.
  • the catalyst system including the ligand compound represented by Chemical Formula 1, the chromium source and the cocatalyst can be obtained as an active catalyst by adding three components of the catalyst system at the same time, or sequentially in any order in the presence or absence of monomers in any proper solvent.
  • the proper solvent may include substituted or unsubstituted hydrocarbons having 4 to 12 carbon atoms, and examples thereof may include heptane, benzene, toluene, diethyl ether, tetrahydrofuran, acetonitrile, dichloromethane, chloroform, chlorobenzene or the like, but is not limited thereto.
  • the catalyst system may include the chromium compound represented by Chemical Formula 2 and the cocatalyst.
  • the chromium compound represented by Chemical Formula 2 and the cocatalyst may be blended in a ratio of approximately 1:10 to approximately 1:10,000, and preferably, approximately 1:100 to approximately 1:1,000, based on the molar ratio of chromium and metal.
  • the amount of the cocatalyst is too small to be within the range, complete activation of the chromium compound does not occur to reduce activity of the catalyst system.
  • an excessive amount of the cocatalyst is included, excessive activator is economically infeasible in terms of productivity or acts as impurities to reduce purity of the product.
  • the catalyst system according to the present invention can be used in ethylene oligomerization reaction. That is, when ethylene oligomerization reaction or polyolefin polymerization reaction is carried out using the catalyst system according to the present invention, highly active ethylene oligomerization reaction is possible, and it is possible to polymerize low-density polyethylene in one reactor using only ethylene without additional injection of comonomers.
  • the pressure of 500 ml-high pressure reaction vessel was reduced to vacuum, and then the internal environment was made to inactive condition using argon gas. Then, 250 ml of pure toluene was added, and methylaluminoxane (MAO) was added 600-fold of the Al/Cr molar ratio. Subsequently, a toluene solution (5 ml, 25 ⁇ mol of S-1 complex) of 5 mM S-1 complex catalyst was added and the solution reaction was carried out at 60°C for 1 hour under a 50 psig pressure of ethylene. Then, the activity was calculated from the increased weight of the solution after reaction and the weight of the reactor.
  • MAO methylaluminoxane
  • the temperature of the reactor was reduced to 0°C, and then an HCl aqueous solution was slowly added to remove residual MAO and the catalyst.
  • the organic layer was taken and filtered, and the produced polymer was separated and dried. Further, the organic layer was dried over MgSO 4 to remove the residual moisture, and then the composition of the organic layer was identified by GC-MS. As a result, a mixture of alpha-olefin polymers with Schultz-Flory distribution was identified.
  • FIG. 1 A graph measured by GC-MS is shown in FIG. 1 .
  • Oligomerization reaction was carried out in the same manner as in Example 4, except that the reaction was carried out at a reaction temperature of 90°C in Example 4.
  • Oligomerization reaction was carried out in the same manner as in Example 4, except that S-2 complex was used instead of S-1 complex and the reaction was carried out at a reaction temperature of 90°C in Example 4.
  • Oligomerization reaction was carried out in the same manner as in Example 4, except that S-3 complex was used instead of S-1 complex and the reaction was carried out at a reaction temperature of 90°C in Example 4.
  • the solution reaction was carried out at 90°C for 1 hour under a 50 psig pressure of ethylene. Then, the activity was calculated from the increased weight of the solution and the weight of the reactor. The temperature of the reactor was reduced to 0°C, and then an HCl aqueous solution was slowly added to remove residual MAO and the catalyst. The organic layer was taken and filtered, and the produced polymer was separated and dried. Further, the organic layer was dried over MgSO 4 to remove the residual moisture, and then the composition of the organic layer was identified by GC-MS. As a result, a mixture of alpha-olefin polymers with Schultz-Flory distribution was identified.
  • Oligomerization reaction was carried out in the same manner as in Example 10, except that S-2 ligand compound was used instead of S-1 ligand compound in Example 10.
  • Oligomerization reaction was carried out in the same manner as in Example 10, except that S-3 ligand compound was used instead of S-1 ligand compound in Example 10.
  • Oligomerization reaction was carried out in the same manner as in Example 4, except that T complex of Comparative Example 1 was used instead of S-1 complex and the reaction was carried out at a reaction temperature of 90°C in Example 4.
  • Example 4 The results of ethylene oligomerization reaction of Examples 4 to 12 and Comparative Example 2 are shown in Table 1.
  • Catalyst Reaction temperature unit: °C
  • Activity unit: g/g of Cr/hr
  • Example 4 S-1 complex 60 13,850
  • Example 5 S-1 complex 90 9,540
  • Example 6 S-2 complex 60 29,160
  • Example 7 S-2 complex 90 19,341
  • Example 8 S-3 complex 60 7,615
  • Example 10 S-1 ligand/chromium source 90 9,120
  • Example 11 S-2 ligand/chromium source 90 20,301
  • Example 12 S-3 ligand/chromium source 90 1,510 Comparative Example 2 T complex 90 2,510

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  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
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  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
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EP13787892.2A 2012-05-10 2013-05-10 Ligandenverbindung, chromverbindung und katalysatorsystem damit Active EP2803670B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20120049712 2012-05-10
KR1020130052702A KR101513145B1 (ko) 2012-05-10 2013-05-09 리간드 화합물, 크롬 화합물 및 이를 포함하는 촉매계
PCT/KR2013/004158 WO2013169068A1 (ko) 2012-05-10 2013-05-10 리간드 화합물, 크롬 화합물 및 이를 포함하는 촉매계

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EP2803670A1 true EP2803670A1 (de) 2014-11-19
EP2803670A4 EP2803670A4 (de) 2015-09-30
EP2803670B1 EP2803670B1 (de) 2016-08-17

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KR101679515B1 (ko) 2015-02-12 2016-11-24 주식회사 엘지화학 올리고머화 촉매계의 제조방법 및 이에 의해 제조된 올리고머화 촉매계
WO2016129848A1 (ko) * 2015-02-12 2016-08-18 주식회사 엘지화학 올레핀 올리고머화 방법
WO2016129847A1 (ko) * 2015-02-12 2016-08-18 주식회사 엘지화학 올리고머화 촉매계의 제조방법 및 이에 의해 제조된 올리고머화 촉매계
US10513474B2 (en) 2015-05-15 2019-12-24 Lg Chem, Ltd. Catalyst composition and method of preparing polyolefin using the same
KR101768194B1 (ko) 2015-05-15 2017-08-16 주식회사 엘지화학 촉매 조성물 및 이를 이용한 폴리올레핀의 제조방법
KR101880810B1 (ko) * 2016-09-21 2018-07-23 롯데케미칼 주식회사 올레핀 올리고머 제조방법

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KR101277295B1 (ko) 2010-08-17 2013-07-04 주식회사 엘지화학 신규 화합물, 이를 포함하는 촉매조성물 및 이를 이용한 폴리에틸렌의 제조방법

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JP2015520740A (ja) 2015-07-23
US20150018502A1 (en) 2015-01-15
JP2015517461A (ja) 2015-06-22
WO2013169068A1 (ko) 2013-11-14
US9120881B2 (en) 2015-09-01
CN104245712B (zh) 2016-06-01
KR101513145B1 (ko) 2015-04-17
JP5838010B2 (ja) 2015-12-24
EP2803670A4 (de) 2015-09-30
KR101579880B1 (ko) 2016-01-04
EP2803669A1 (de) 2014-11-19
CN104245711A (zh) 2014-12-24
EP2803669B1 (de) 2016-12-28
US20150011382A1 (en) 2015-01-08
KR20130126517A (ko) 2013-11-20
WO2013169069A1 (ko) 2013-11-14
EP2803670B1 (de) 2016-08-17
EP2803669A4 (de) 2015-11-25
US9206272B2 (en) 2015-12-08
JP5951891B2 (ja) 2016-07-13
CN104245712A (zh) 2014-12-24

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